Docomo F-01A Instruction Manual page 24

Draining water when the FOMA terminal gets wet
To drain water off the speaker, shake FOMA terminal with the speaker upward
When FOMA terminal is wet, water may flow out after wiping it off; drain the water
following the steps below.
a Wipe FOMA terminal surface with dry, clean cloth etc.
c Softly press dry, clean cloth etc., against FOMA terminal to wipe off water
remaining in the microphone, earpiece, speaker, keys or hinges.
b Shake FOMA terminal approximately 20 times, firmly holding its hinge section,
until there is no more water splattering.
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